Crimmins, Eileen M., Mark D. Hayward, und Yasuhiko Saito. 1996. Differentials in active life expectancy in the older population of the United States. Journal of Gerontology: Social Science 51:111–120.CrossRefGoogle Scholar

Crimmins, Eileen M., Yasuhiko Saito, und Dominique Ingegneri. 1997. Trends in disability-free life expectancy in the United States, 1970–90. Population and Development Review 23:555–572.CrossRefGoogle Scholar

Crimmins Eileen M., und Yasuhiko Saito. 2001. Trends in healthy life expectancy in the United States, 1970–1990. Gender, racial, and educational differences. Journal of Social Science and Medicine 52:1629–1641.Google Scholar